477TH AVE over CK


+45.21550, -96.66125
45°12'56" N, 96°39'40" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:477TH AVE over CK
Structure number:000000026280076
Location:1W & 0.6S MILBANK
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:39.0 ft. [11.9 m]
Total length:40.0 ft. [12.2 m]
Roadway width between curbs:22.6 ft. [6.9 m]
Deck width edge-to-edge:23.3 ft. [7.1 m]
Owner:County Highway Agency [02]
Year built:2000
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Tee beam [04]
Deck type:Concrete Precast Panels [2]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:30 [as of 2016]
Truck traffic:2% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:99.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018GoodGoodGoodGood3099.0
July 2016GoodGoodGoodGood3099.0
July 2014GoodGoodVery GoodGood3099.0
August 2012GoodGoodVery GoodGood3099.0
August 2010GoodGoodVery GoodGood3099.0
September 2008GoodGoodVery GoodGood3099.0
August 2006GoodGoodVery GoodGood3091.8
August 2004GoodGoodVery GoodGood3088.1
October 2002GoodGoodVery GoodGood3088.1
September 2000GoodGoodVery GoodGood3089.1
August 1998FairGoodFairSatisfactory3037.0
June 1996PoorPoorPoorSatisfactory3034.0
November 1994PoorPoorPoorSatisfactory3026.5
December 1992PoorPoorPoorSatisfactory3026.5
October 1990PoorPoorPoorSatisfactory3026.5